23A256-I

{
  "schema_version": 1,
  "type": "component",
  "slug": "23a256-i",
  "title": "23A256-I",
  "brief": "Microchip Tech Pre-ordered MCUs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "23a256-i",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "23A256-I",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3bd8e8ae1b169d6322ed9826ec7268af.pdf",
    "parts": {
      "symbol": "23a256-i.kicad_sym",
      "footprint": "23a256-i.kicad_mod",
      "model_3d": "23a256-i-hero.glb",
      "model_3d_plain": "23a256-i-etched.glb",
      "model_3d_step": "23a256-i-etched.step",
      "model_3d_step_plain": "23a256-i.step",
      "lbr": "23a256-i.lbr"
    },
    "distributor_links": {
      "lcsc": "C615089"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:21:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "Chip Select input; a low level selects the device, a high level deselects it and forces Standby mode with SO high-impedance."
      },
      {
        "number": "2",
        "name": "SO",
        "type": "tri_state",
        "description": "Serial Data Output; data is shifted out after the falling edge of SCK and the pin goes high-impedance when the device is deselected or held."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; pin 3 is shown as NC in the package diagram and is not listed in the pin function table."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "5",
        "name": "SI",
        "type": "input",
        "description": "Serial Data Input that receives instructions, addresses and data, latched on the rising edge of SCK."
      },
      {
        "number": "6",
        "name": "SCK",
        "type": "input",
        "description": "Serial Clock input that synchronizes host communication, with SI latched on the rising edge and SO updated after the falling edge, up to 20 MHz maximum clock."
      },
      {
        "number": "7",
        "name": "HOLD",
        "type": "input",
        "description": "Hold input that pauses serial communication without resetting the sequence when pulled low while SCK is low, and must be held high when not in use."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 1.5V to 1.95V for the 23A256 (absolute maximum 4.5V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
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        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 3 (NC) appears only in the package diagram on page 1 and is absent from the pin function table ("
        ],
        "pages_sent": 14,
        "cost_usd": 0.0879,
        "at": "2026-10-23T12:20:59"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3bd8e8ae1b169d6322ed9826ec7268af.pdf",
        "pages": 27,
        "sha256": "1a538f1a3d69c987",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
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        "units": "mm",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
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        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOIC-8",
      "Category": "Embedded Processors & Controllers",
      "Pins": "8"
    },
    "appearance": {
      "contacts": {
        "quote": "8-Lead Plastic Small Outline (SN) - Narrow, 3.90 mm (.150 In.) Body [SOIC] A A2",
        "page": 17,
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        "plating": "tin"
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          "name": "RAM Data Retention Voltage",
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